ST L6386E User Manual

High-voltage high and low side driver

Features

■ High voltage rail up to 600 V

■ dV/dt immunity ±50 V/nsec in full temperature

range

■ Driver current capability:

– 400 mA source,
– 650 mA sink

■ Switching times 50/30 nsec rise/fall with 1 nF

load

■ CMOS/TTL Schmitt trigger inputs with

hysteresis and pull down

■ Under-voltage lock out on lower and upper

driving section

■ Integrated bootstrap diode

■ Outputs in phase with inputs

L6386E

DIP-14 SO-14

Description

The L6386E is an high-voltage device,
manufactured with the BCD “off-line” technology.
It has a driver structure that enables to drive
independent referenced channel power MOS or
IGBT. The high-side (floating) section is enabled
to work with voltage rail up to 600 V. The logic
inputs are CMOS/TTL compatible for ease of
interfacing with controlling devices.

Figure 1. Block diagram

V

HIN

SD

LIN

SGND

BOOTSTRAP DRIVER

CC

4

3

2

1

7 6

UV

DETECTION

LOGIC

UV

DETECTION

LEVEL

SHIFTER

VREF

R

R

S

LVG

DRIVER

-

+

DRIVER

V

CC

D97IN520D

HVG

Vboot

14

H.V.

HVG

13

OUT

12

LVG

9

PGND

8

DIAG

5

CIN

C

BOOT

TO LOAD

July 2009 Doc ID 13989 Rev 2 1/18

www.st.com

18

Contents L6386E

Contents

1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 AC operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 DC operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4 Bootstrap driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1 CBOOT selection and charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Typical characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2/18 Doc ID 13989 Rev 2

L6386E Electrical data

1 Electrical data

1.1 Absolute maximum ratings

Table 1. Absolute maximum ratings

Symbol Parameter Value Unit

V

V

V

V

V

V

V

dV

P

T

Output voltage -3 to V

out

Supply voltage - 0.3 to +18 V

cc

Floating supply voltage -1 to 618 V

boot

High side gate output voltage - 1 to V

hvg

Low side gate output voltage -0.3 to Vcc +0.3 V

lvg

Logic input voltage -0.3 to Vcc +0.3 V

V

i

Open drain forced voltage -0.3 to Vcc +0.3 V

diag

Comparator input voltage -0.3 to Vcc +0.3 V

cin

/dt Allowed output slew rate 50 V/ns

out

Total power dissipation (TJ = 85 °C) 750 mW

tot

Junction temperature 150 °C

T

j

Storage temperature -50 to 150 °C

stg

- 18 V

boot

V

boot

Note: ESD immunity for pins 12, 13 and 14 is guaranteed up to 900 V (human body model)

1.2 Thermal data

Table 2. Thermal data

Symbol Parameter SO-14 DIP-14 Unit

R

Thermal resistance junction to ambient 165 100 °C/W

th(JA)

1.3 Recommended operating conditions

Table 3. Recommended operating conditions

Symbol Pin Parameter Test condition Min Typ Max Unit

V

V

BS

f

sw

V

T

1. If the condition Vboot - Vout < 18 V is guaranteed, Vout can range from -3 to 580 V

2. VBS = V

12 Output voltage

out

(2)

14 Floating supply voltage

Switching frequency HVG,LVG load CL = 1 nF 400 kHz

cc

4 Supply voltage 17 V

J

Junction temperature -45 125 °C

- V

boot

out

Doc ID 13989 Rev 2 3/18

(1)

(1)

17 V

580 V

Pin connection L6386E

2 Pin connection

Figure 2. Pin connection (Top view)

1

2

3

4

5

6

7 PGND

D97IN521A

14

13

12

11

10

9

8

Table 4. Pin description

LIN

SD

HIN

V

CC

DIAG

CIN

SGND

N° Pin Type Function

1 LIN I Low side driver logic input

2 SD

(1)

I Shut down logic input

3 HIN I High side driver logic input

4 VCC Low voltage supply

5 DIAG O Open drain diagnostic output

6 CIN I Comparator input

7 SGND Ground

8 PGND Power ground

(1)

9 LVG

O Low side driver output

10, 11 N.C. Not connected

V

boot

HVG

OUT

N.C.

N.C.

LVG

12 OUT O High side driver floating driver

(1)

13 HVG

14 V

1. The circuit guarantees 0.3 V maximum on the pin (@ Isink = 10 mA), with VCC > 3 V. This allows to omit
the “bleeder” resistor connected between the gate and the source of the external MOSFET normally used
to hold the pin low; the gate driver assures low impedance also in SD condition.

O High side driver output

Bootstrapped supply voltage

boot

4/18 Doc ID 13989 Rev 2

L6386E Electrical characteristics

3 Electrical characteristics

3.1 AC operation

VCC = 15 V; TJ = 25 °C

‘s

Table 5. AC operation electrical characteristics

Symbol Pin Parameter Test condition Min Typ Max Unit

t

on

1,3 vs

t

off

t

sd

t

r

t

f

High/low side driver turn-on
propagation delay

9,13

High/low side driver turn-off
propagation delay

2 vs

Shut down to high/low side

9,13

propagation delay

Rise time C

9, 13

Fall time CL = 1000 pF 30 ns

3.2 DC operation

VCC = 15 V; TJ = 25 °C

Table 6. DC operation electrical characteristics

Symbol Pin Parameter Test condition Min Typ Max Unit

Low supply voltage section

V

cc

V

ccth1

V

ccth2

V

cchys

I

qccu

I

qcc

Bootstrapped supply section

Supply voltage 17 V

Vcc UV turn on threshold 11.5 12 12.5 V

Vcc UV turn off threshold 9.5 10 10.5 V

4

Vcc UV hysteresis 2 V

Undervoltage quiescent
supply current

Quiescent current Vcc = 15 V 250 320 μA

110 150 ns

V

out

= 0 V

110 150 ns

105 150

= 1000 pF 50 ns

L

≤ 11 V 200 μA

V

cc

V

boot

V

V

bth1

V

V

bth2

V

I

qboot

R

bhys

I

dson

14

V

lk

Bootstrap supply voltage 17 V

UV turn on threshold 10.7 11.9 12.9 V

boot

UV turn off threshold 8.8 9.9 10.7 V

boot

UV hysteresis 2 V

boot

V

quiescent current HVG ON 200 μA

boot

High voltage leakage current

Bootstrap driver on
resistance

(1)

Vhvg = Vout = Vboot
= 600 V

10 μA

Vcc ≥12.5 V; Vin = 0 V 125 Ω

Doc ID 13989 Rev 2 5/18

Electrical characteristics L6386E

Table 6. DC operation electrical characteristics (continued)

Symbol Pin Parameter Test condition Min Typ Max Unit

Driving buffers section

I

so

I

si

9, 13High/low side source short

9, 13High/low side sink short

Logic inputs

Vil

V

1,2,

ih

3

I

ih

I

il

Sense comparator

V

io

I

V

V

1. R

where I

io

ref

DS(on)

6 Input bias current V

2

ol

is tested in the following way:

is pin 14 current when V

1

= Vih (tp < 10 μs) 300 400 mA

V

circuit current

circuit current

Low level logic threshold
voltage

High level logic threshold
voltage

IN

VIN = Vil (tp < 10 μs) 500 650 mA

1.5 V

3.6 V

High level logic input current VIN = 15 V 50 70 μA

Low level logic input current VIN = 0 V 1 μA

Input offset voltage -10 10 mV

≥ 0.5 0.2 μA

cin

Open drain low level output
voltage

Comparator reference
voltage

V

–()VCCV

CCVCBOOT1

CBOOT

------------------------------------------------------------------------------------------------------ -=

I

()I2VCC,V

1VCC,VCBOOT1

= V

CBOOT1

R

DSON

Iod = -2.5 mA 0.8 V

0.46 0.5 0.54 V

–()–

CBOOT2

, I2 when V

()–

CBOOT

= V

CBOOT2

CBOOT2

6/18 Doc ID 13989 Rev 2